public async Task UpdatesDocuments()
{
{
// :code-block-start: mongo-update-one
var updateResult = await plantsCollection.UpdateOneAsync(
new { name = "Petunia" },
new BsonDocument("$set", new BsonDocument("sunlight", Sunlight.Partial.ToString()))
);
// :code-block-end:
Assert.AreEqual(1, updateResult.MatchedCount);
Assert.AreEqual(1, updateResult.ModifiedCount);
}
{
// :code-block-start: mongo-update-many
var filter = new { _partition = "Store 47" };
var updateDoc = new BsonDocument("$set",
new BsonDocument("_partition", "Area 51"));
var updateResult = await plantsCollection.UpdateManyAsync(
filter, updateDoc);
// :code-block-end:
Assert.AreEqual(1, updateResult.MatchedCount);
Assert.AreEqual(1, updateResult.ModifiedCount);
}
{
// :code-block-start: mongo-upsert
var filter = new BsonDocument()
.Add("name", "Pothos")
.Add("type", PlantType.Perennial)
.Add("sunlight", Sunlight.Full);
var updateResult = await plantsCollection.UpdateOneAsync(
filter,
new BsonDocument("$set", new BsonDocument("_partition", "Store 42")),
upsert : true);
/* The upsert will create the following object:
*
* {
* "name": "pothos",
* "sunlight": "full",
* "type": "perennial",
* "_partition": "Store 42"
* }
*/
// :code-block-end:
var plant = await plantsCollection.FindOneAsync(filter);
Assert.AreEqual("Store 42", plant.Partition);
Assert.AreEqual(plant.Id, updateResult.UpsertedId);
}
}